| Native Name: | 重庆轨道交通4号线 |
| Native Name Lang: | zh-cn |
| Type: | Rapid transit |
| System: | Chongqing Rail Transit |
| Status: | Operational |
| Locale: | Chongqing, China |
| Stations: | 24 |
| Operator: | Chongqing Rail Line 4 Construction Operation Co., Ltd. |
| Linelength: | 48.5km (30.1miles) |
| Tracks: | 2 |
| Linenumber: | 4 |
| Electrification: | 1500 V DC overhead line |
| Map Name: | Route map |
| Map State: | collapsed |
Line 4 of Chongqing Rail Transit is a rapid transit line in Chongqing, China.[1]
Since June 2020, some Express trains through operate from Line 4 into the Loop line.[2]
| Segment | Commencement | Length | Station(s) | Name | |
|---|---|---|---|---|---|
| Chongqing North Station North Square - Tangjiatuo | 28 December 2018 | [3] | 7 | Phase 1 | |
| Min'an Ave. - Chongqing North Station North Square | 11 January 2019 | 1 | |||
| Tangjiatuo - Huangling | 18 June 2022[4] | 15 | Phase 2 | ||
| Gangcheng | 7 October 2023 | infill station | 1 |
Phase 1 (Min'an Ave. - Tangjiatuo) is in length (underground section is, elevated section is). In June 2018, debugging of the first segment of Phase I commenced.[5] Phase 1 of Line 4 began operating on December 28, 2018.
Phase 2 (Tangjiatuo - Huangling) is in length (underground and elevated[6]) with 15 stations (10 underground stations and 5 elevated stations).[7] In 2022, debugging of this segment commenced.[8] The segment opened on June 18, 2022.[9]
| Service routes | Station No. | Station name | Connections | Distance | Location | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| ↑ | Through-service to/from via Loop line | ||||||||||
| ● | ● | - | 0.00 | Yubei | |||||||
| ● | ● | 2.27 | 2.27 | ||||||||
| ● | ● | 2.36 | 4.63 | Jiangbei | |||||||
| ｜ | ● | 1.36 | 5.99 | ||||||||
| ｜ | ● | 2.59 | 8.58 | ||||||||
| ｜ | ● | 1.53 | 10.11 | ||||||||
| ｜ | ● | 1.29 | 11.4 | ||||||||
| ｜ | ● | 2.13 | 13.53 | ||||||||
| ● | ● | 1.82 | 15.35 | ||||||||
| ● | 1.38 | 16.73 | |||||||||
| ● | 5.30 | 22.03 | |||||||||
| ● | 2.60 | 24.63 | |||||||||
| ● | 2.73 | 27.36 | |||||||||
| ● | 1.45 | 28.81 | |||||||||
| ● | 2.69 | 31.50 | |||||||||
| ● | Fusheng | 2.16 | 33.66 | ||||||||
| ● | 1.32 | 34.98 | |||||||||
| ● | 2.52 | 37.50 | Yubei | ||||||||
| ● | 1.56 | 39.06 | |||||||||
| ● | 1.13 | 40.19 | |||||||||
| ● | 1.96 | 42.15 | |||||||||
| ● | 1.91 | 44.06 | |||||||||
| ● | 2.64 | 46.70 | |||||||||
| ● | 1.57 | 48.27 | |||||||||
The Western extension of Line 4 started construction in March 2021. It will add 9 more stations west of station. The extension is in length.[10]
| Station No. | Station name | Connections | Distance | Location | ||||
|---|---|---|---|---|---|---|---|---|
| Jiangbei | ||||||||
| Yubei | ||||||||